Ah, the video helps explain it. At first I only saw pictures of the overflow lockers. Well regardless of whether or not it's a robot (I would argue it is), it

Ah, the video helps explain it. At first I only saw pictures of the overflow lockers. Well regardless of whether or not it's a robot (I would argue it is), it passes the most important test: it does something useful and users love it (going by your testimony as a single data point)!